To their credit it's probably related to a recently added feature... http://www.technologyreview.com/news/519531/what-apples-m7-motion-sensing-chip-could-do/ ht

To their credit it's probably related to a recently added feature... http://www.technologyreview.com/news/519531/what-apples-m7-motion-sensing-chip-could-do/ http://www.technologyreview.com/news/519531/what-apples-m7-m... (edit: To avoid appearing biased I'll add that Moto X had the feature first.)